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W632GG6KB
Publication Release Date: Jan. 03, 2017
Revision: A06
- 7 -
4. KEY PARAMETERS
Speed Bin
DDR3-1866
DDR3-1600
DDR3-1333
Unit
CL-nRCD-nRP
13-13-13
11-11-11
9-9-9
Part Number Extension
-11
-12/12I
-15/15I
Parameter
Sym.
Min.
Max.
Min.
Max.
Min.
Max.
Maximum operating frequency using maximum
allowed settings for Sup_CL and Sup_CWL
f
CKMAX
933
800
667
MHz
Internal read command to first data
t
AA
13.91
20
13.75
(13.125) *
5
20
13.5
(13.125) *
5
20
nS
ACT to internal read or write delay time
t
RCD
13.91
13.75
(13.125) *
5
13.5
(13.125) *
5
nS
PRE command period
t
RP
13.91
13.75
(13.125) *
5
13.5
(13.125) *
5
nS
ACT to ACT or REF command period
t
RC
47.91
48.75
(48.125) *
5
49.5
(49.125) *
5
nS
ACT to PRE command period
t
RAS
34
9 * t
REFI
35
9 * t
REFI
36
9 * t
REFI
nS
CL = 6
CWL = 5
t
CK(AVG)
2.5
3.3
2.5
3.3
2.5
3.3
nS
CL = 7
CWL = 6
t
CK(AVG)
Reserved
1.875
< 2.5
1.875
< 2.5
nS
CL = 8
CWL = 6
t
CK(AVG)
1.875
< 2.5
1.875
< 2.5
1.875
< 2.5
nS
CL = 9
CWL = 7
t
CK(AVG)
Reserved
1.5
< 1.875
1.5
< 1.875
nS
CL = 10
CWL = 7
t
CK(AVG)
1.5
< 1.875
1.5
< 1.875
1.5
< 1.875
nS
CL = 11
CWL = 8
t
CK(AVG)
Reserved
1.25
< 1.5
Reserved
nS
CL = 13
CWL = 9
t
CK(AVG)
1.07
< 1.25
Reserved
Reserved
nS
Supported CL Settings
Sup_CL
6, 8, 10, 13
6,
(7)
, 8,
(9)
, 10, 11
6,
(7)
, 8, 9, 10
nCK
Supported CWL Settings
Sup_CWL
5, 6, 7, 9
5, 6, 7, 8
5, 6, 7
nCK
Average periodic
refresh Interval
-40°C
≤ T
CASE
≤ 85°C
t
REFI
*
2
7.8 *
2, 3
7.8 *
2, 3
μS
0°C
≤ T
CASE
≤ 85°C
7.8 *
1
7.8 *
1
7.8 *
1
μS
85°C <
T
CASE
≤ 95°C
3.9 *
4
3.9 *
4
3.9 *
4
μS
Operating One Bank Active-Precharge Current
I
DD0
115
105
100
mA
Operating One Bank Active-Read-Precharge
Current
I
DD1
140
130
125
mA
Operating Burst Read Current
I
DD4R
280
250
235
mA
Operating Burst Write Current
I
DD4W
250
220
200
mA
Burst Refresh Current
I
DD5B
155
150
145
mA
Self-Refresh Current, T
OPER
= 0 ~ 85°C
I
DD6
19
19
19
mA
Operating Bank Interleave Current
I
DD7
400
380
370
mA
Notes:
(Field value contents in blue font or parentheses are optional AC parameter and CL setting)
1. All speed grades support 0°C
≤ T
CASE
≤ 85°C with full JEDEC AC and DC specifications.
2. For -11, -12 and -15 speed grades, -40°C
≤ T
CASE
< 0°C is not available.
3. 12I and 15I speed grades support -40°C
≤ T
CASE
≤ 85°C with full JEDEC AC and DC specifications.
4. For all speed grade parts, T
CASE
is able to extend to 95°C with doubling Auto Refresh commands in frequency to a 32 mS
period ( t
REFI
= 3.9 µS), it is mandatory to either use the Manual Self-Refresh mode with Extended Temperature Range
capability (MR2 A6 = 0
b
and MR2 A7 = 1
b
) or enable the Auto Self-Refresh mode (ASR) (MR2 A6 = 1
b
, MR2 A7 is don't care).
5. For devices supporting optional down binning to CL=7 and CL=9, t
AA
/t
RCD
/t
RP
min must be 13.125 nS or lower. SPD settings
must be programmed to match. For example, DDR3-1333 (9-9-9) devices supporting down binning to DDR3-1066 (7-7-7)
should program 13.125 nS in SPD bytes for t
AA
min (Byte 16), t
RCD
min (Byte 18), and t
RP
min (Byte 20). DDR3-1600 (11-11-11)
devices supporting down binning to DDR3-1333 (9-9-9) or DDR3-1066 (7-7-7) should program 13.125 nS in SPD bytes for
t
AA
min (Byte16), t
RCD
min (Byte 18), and t
RP
min (Byte 20). Once t
RP
(Byte 20) is programmed to 13.125 nS, t
RC
min (Byte 21,
23) also should be programmed accordingly. For example, 49.125nS (t
RAS
min + t
RP
min = 36 nS + 13.125 nS) for DDR3-1333
(9-9-9) and 48.125 nS (t
RAS
min + t
RP
min = 35 nS + 13.125 nS) for DDR3-1600 (11-11-11).